#BB3523#BB3523

#BB3523 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.0% C 0.174 H 31.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#BB3523
RGB	rgb(187, 53, 35)
HSL	hsl(7, 68%, 44%)
HSV	hsv(7, 81%, 73%)
CMYK	cmyk(0%, 71.7%, 81.3%, 26.7%)
CIE-LAB	lab(43.12, 52.52, 41.64)
CIE-LCH	lch(43.12, 67.02, 38.41°)
OKLab	oklab(52.97% 0.1489 0.0893)
OKLCH	oklch(52.97% 0.174 31)
XYZ	xyz(22.0726, 13.2358, 2.9823)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3523 #23A9BB

analogous

#BB235D #BB3523 #BB8123

triadic

#BB3523 #23BB35 #3523BB

tetradic

#BB3523 #5DBB23 #23A9BB #8123BB

square

#BB3523 #5DBB23 #23A9BB #8123BB

split-complementary

#BB3523 #23BB81 #235DBB

monochromatic

#541810 #872619 #BB3523 #DB5240 #E58174

Accessibility & contrast

On white

5.76

#BB3523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#BB3523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3523

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3523	#FFFFFF	#000000	##FFFFFF
##BB3523	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531F

Deuteranopia (green-blind)

#7E711C

Tritanopia (blue-blind)

#CE0032

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3523;
/* rgb */ color: rgb(187, 53, 35);
/* oklch */ color: oklch(53.0% 0.174 31.0);

Tailwind

colors: {
  custom: {
    50: '#d97560',
    500: '#bb3523',
    950: '#000000',
  },
}

SCSS

$custom: #bb3523;
$custom-light: #d97560;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3523",
  "rgb": {
    "r": 187,
    "g": 53,
    "b": 35
  },
  "hsl": {
    "h": 7.105,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52974,
    "c": 0.17367,
    "h": 31
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#BB3523

secondary

#6EC1CC

accent

#D7EB3C

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170905

muted

#857B79

Preview Lab

Preview with #BB3523

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →